pageType variable is used only to designate a 404
(Page Not Found) error page.
It has only one possible value, which is errorPage.
On a 404 error page, the
variable should not be populated. The
variable should be set only on a designated
404 error page. Any page containing content should never have a value in the
variable. For pages containing content, you
can set the variable as shown below:
It is best to delete the variable completely from pages containing
content. This practice is recommended to avoid confusion regarding the purpose
of the variable.